CVE-2026-75837 Grav before 2.0.14 Privilege Escalation via Group Access Field

Grav before 2.0.14 fails to guard the access field in the core group blueprint with the required security@: admin.super restriction. A delegated admin.users operator can save a group with accessadminsuper=true to escalate to super-admin, gaining scheduler and Twig evaluation capabilities...

EUVD-2026-60601

Grav before 2.0.14 fails to guard the access field in the core group blueprint with the required security@: admin.super restriction. A delegated admin.users operator can save a group with accessadminsuper=true to escalate to super-admin, gaining scheduler and Twig evaluation capabilities...

CVE-2026-75837

Grav CMS before 2.0.14 lacks a security@: admin.super guard on the group blueprint access field. A delegated admin.users operator can save access[admin][super]=true to escalate to super-admin, gaining scheduler and Twig evaluation capabilities. CISA classifies it as total impact; no public exploi...

CVE-2026-75837 Grav before 2.0.14 Privilege Escalation via Group Access Field

Grav before 2.0.14 fails to guard the access field in the core group blueprint with the required security@: admin.super restriction. A delegated admin.users operator can save a group with accessadminsuper=true to escalate to super-admin, gaining scheduler and Twig evaluation capabilities...

CVE-2026-75836 Grav API Plugin before 1.0.14 Missing Authorization

The Grav API plugin getgrav/grav-plugin-api, bundled with Grav's admin-next/API stack before 1.0.14 fails to enforce the authorize requirement in MenubarController::executeAction. While the GET /menubar/items listing endpoint correctly filters menubar items via userPassesAuthorize, the POST...

CVE-2026-75836

The Grav API plugin before 1.0.14 omits the authorize check in MenubarController::executeAction(), so any authenticated caller with api.access can invoke privileged menubar actions via POST /api/v1/menubar/actions/{plugin}/{action}, bypassing plugin-level authorization. No in-the-wild exploitatio...

EUVD-2026-60600

The Grav API plugin getgrav/grav-plugin-api, bundled with Grav's admin-next/API stack before 1.0.14 fails to enforce the authorize requirement in MenubarController::executeAction. While the GET /menubar/items listing endpoint correctly filters menubar items via userPassesAuthorize, the POST...

CVE-2026-75835 Grav API Plugin before 1.0.14 Missing Authorization

Grav API plugin getgrav/grav-plugin-api before 1.0.14 contains a missing authorization vulnerability in userPassesAuthorize AbstractApiController.php. The function fails to consult the calling request's API key scopes, relying instead on the account's raw super-admin flag and ACL grants. As a...

EUVD-2026-60599

Grav API plugin getgrav/grav-plugin-api before 1.0.14 contains a missing authorization vulnerability in userPassesAuthorize AbstractApiController.php. The function fails to consult the calling request's API key scopes, relying instead on the account's raw super-admin flag and ACL grants. As a...

CVE-2026-75835

The Grav API plugin (getgrav/grav-plugin-api) before 1.0.14 has a missing authorization flaw in userPassesAuthorize() (AbstractApiController.php): it checks the account's raw super-admin flag and ACL grants instead of the calling request's API key scopes. An authenticated attacker with a scoped A...

CVE-2026-75834 Grav before 2.0.14 Stored XSS via Invalid UTF-8 Byte

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834

Grav CMS before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss() function (system/src/Grav/Common/Security.php). All XSS detection patterns use the PCRE /u (UTF-8) modifier, so a single invalid UTF-8 byte anywhere in page content causes preg_match() to retu...

EUVD-2026-60598

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75834 Grav before 2.0.14 Stored XSS via Invalid UTF-8 Byte

Grav before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss function system/src/Grav/Common/Security.php. All XSS detection patterns use the PCRE /u UTF-8 modifier, so a single invalid UTF-8 byte anywhere in page content causes pregmatch to return false for...

CVE-2026-75835

Grav API plugin getgrav/grav-plugin-api before 1.0.14 contains a missing authorization vulnerability in userPassesAuthorize AbstractApiController.php. The function fails to consult the calling request's API key scopes, relying instead on the account's raw super-admin flag and ACL grants. As a...

CVE-2026-75835 Grav API Plugin before 1.0.14 Missing Authorization

Grav API plugin getgrav/grav-plugin-api before 1.0.14 contains a missing authorization vulnerability in userPassesAuthorize AbstractApiController.php. The function fails to consult the calling request's API key scopes, relying instead on the account's raw super-admin flag and ACL grants. As a...

CVE-2026-75833 Grav API Plugin Open Redirect via Backslash Bypass

The Grav API plugin getgrav/grav-plugin-api, bundled with Grav 2.0's admin-next/API stack before version 1.0.14 contains an open redirect weakness in SsoController::sanitizeReturnTo. The function rejects a literal '//' prefix but does not account for browsers normalizing backslashes to slashes in...

CVE-2026-75833

The Grav API plugin (bundled with Grav 2.0's admin-next/API stack) before version 1.0.14 has an open redirect in SsoController::sanitizeReturnTo(): a backslash-prefix like /\evil.com bypasses the // guard and is normalized by browsers to //evil.com, enabling post-OAuth-login phishing. Exploitatio...

EUVD-2026-60597

The Grav API plugin getgrav/grav-plugin-api, bundled with Grav 2.0's admin-next/API stack before version 1.0.14 contains an open redirect weakness in SsoController::sanitizeReturnTo. The function rejects a literal '//' prefix but does not account for browsers normalizing backslashes to slashes in...

CVE-2026-75832

The Grav API plugin getgrav/grav-plugin-api, bundled with Grav 2.0 before version 1.0.14 fixed in 1.0.15 contains a missing authorization vulnerability in BlueprintPathResolver::resolveUserScope. The method gates the users/ scope on the account's raw super-admin ACL flag access.api.super instead ...